code: def setup_method(self, method):
      tf.keras.backend.clear_session()
      super(TestTFParkModel, self).setup_method(method)
  
imports: import pytest
  from test.zoo.pipeline.utils.test_utils import ZooTestCase
  import tensorflow
  import numpy
  import os
  from zoo.tfpark import KerasModel, TFDataset, TFOptimizer
label_desc: Use image node_id 1 for calling the TestTFParkModel obj's underlying member method code with example usage: obj.setup_method(method) without return types